#BDC64D
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.6% 0.144 113.2), rgb(189, 198, 77).
Aa
Black text reads best on this color (11.34:1).
About this color
#BDC64D is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.144 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.038 away. Black text reads best on it, at 11.34:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.34:1 |
| White text | 1.85:1 |
Values
| HEX | #BDC64D |
| RGB | rgb(189, 198, 77) |
| HSL | hsl(64, 51%, 54%) |
| OKLCH | oklch(79.6% 0.144 113.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #BDC64D | 1.85:1 | Fails | Lc -38.9 | Non-text elements, placeholder text |
| Black text on #BDC64D | 11.34:1 | AAA | Lc 69.1 | Content text, not long reading |
| #BDC64D text on white | 1.85:1 | Fails | Lc 34.7 | Non-text elements, placeholder text |
| #BDC64D text on black | 11.34:1 | AAA | Lc -67.8 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F5F7E9
oklch(97.1% 0.019 113.3)
-
Step 100
100
#E9EDCE
oklch(93.5% 0.041 113.2)
-
Step 200
200
#D9DFA2
oklch(88.4% 0.08 112.6)
-
Step 300
300 (this color)
#BDC64D
oklch(79.6% 0.144 113.2)
-
Step 400
400
#A2AA00
oklch(70.8% 0.158 113.1)
-
Step 500
500
#8A9200
oklch(63.2% 0.142 113.6)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#BDC64D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D4BD3E | 0.036 |
| Deuteranopia (no green cones) | #D4C055 | 0.038 |
| Tritanopia (no blue cones) | #C9BBAD | 0.128 |
| Achromatopsia (no color) | #BEBEBE | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BDC64D
#BDC64D
oklch(79.6% 0.144 113.2)
- #BFAFFF
#BFAFFF
oklch(79.7% 0.113 292.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BDC64D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.038
- Greenish Tan #BCCB7A ΔE 0.042
- Light Olive #ACBF69 ΔE 0.042
- Olive Yellow #C2B709 ΔE 0.042
- Light Moss Green #A6C875 ΔE 0.043
- Light Olive Green #A4BE5C ΔE 0.044
- Pale Olive Green #B1D27B ΔE 0.045
- Pale Olive #B9CC81 ΔE 0.049
Use #BDC64D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.